Search a number
-
+
100445385122 = 2174172055513
BaseRepresentation
bin101110110001100000…
…0101111000110100010
3100121021012201020202222
41131203000233012202
53121203004310442
6114051033111042
710154062454255
oct1354300570642
9317235636688
10100445385122
113966488a585
1217572b58482
139619b81a34
144c0c27b09c
15292d3b58d2
hex176302f1a2

100445385122 has 16 divisors (see below), whose sum is σ = 163421905752. Its totient is φ = 46115527680.

The previous prime is 100445385113. The next prime is 100445385197. The reversal of 100445385122 is 221583544001.

It can be written as a sum of positive squares in 4 ways, for example, as 39287600521 + 61157784601 = 198211^2 + 247301^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36026363 + ... + 36029150.

Almost surely, 2100445385122 is an apocalyptic number.

100445385122 is a deficient number, since it is larger than the sum of its proper divisors (62976520630).

100445385122 is a wasteful number, since it uses less digits than its factorization.

100445385122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72055573.

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 100445385122 in words is "one hundred billion, four hundred forty-five million, three hundred eighty-five thousand, one hundred twenty-two".

Divisors: 1 2 17 34 41 82 697 1394 72055513 144111026 1224943721 2449887442 2954276033 5908552066 50222692561 100445385122